Genesis of the Bairendaba Ag-Zn-Pb Deposit, Southern Great Xing’an Range, NE China: A Fluid Inclusion and Stable Isotope Study
Joint Authors
Li, Shunda
Wang, Keyong
Wang, Yicun
Zhang, Xuebing
Quan, Hongyan
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-18, 18 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-07-13
Country of Publication
Egypt
No. of Pages
18
Main Subjects
Abstract EN
The Bairendaba deposit is the largest Ag-Zn-Pb deposit in Inner Mongolia.
Vein and disseminated ores occur in biotite-plagioclase gneiss and quartz diorite along regional EW trending faults.
Microthermometric data for H2O-NaCl ± CH4 ± CO2 fluid inclusions record a decrease in homogenization temperature and salinity of ore-forming fluids with time.
Early and main-stage mineralization have homogenization temperatures of 242°–395°C and 173°–334°C, respectively, compared with 138°–213°C for late-stage mineralization.
Fluid salinities for early mineralization have a bimodal distribution, dominantly 4.2–11.8 wt.% NaCl equivalent, with 35.2–37.8 wt.% NaCl equivalent for a small population of halite-bearing inclusions.
Main- and late-stage fluids have salinities of 2.1–10.2 wt.% NaCl equivalent and 0.7–8.4 wt.% NaCl equivalent, respectively.
Oxygen and hydrogen isotope data indicate the interaction of a magmatic fluid with wall rocks in early mineralization, followed by the introduction of meteoric water during late-stage mineralization.
Values of –15.9‰ to –12‰ (δ13CPDB) for hydrothermal quartz indicate that organic-rich strata were the source of carbon.
Sulfur had a magmatic source, based on values of –0.1‰ to 1.5‰ (δ34SV-CDT) for sulfide minerals.
The Bairendaba deposit is a typical mesothermal system with mineralization controlled by structure.
American Psychological Association (APA)
Li, Shunda& Wang, Keyong& Wang, Yicun& Zhang, Xuebing& Quan, Hongyan. 2017. Genesis of the Bairendaba Ag-Zn-Pb Deposit, Southern Great Xing’an Range, NE China: A Fluid Inclusion and Stable Isotope Study. Geofluids،Vol. 2017, no. 2017, pp.1-18.
https://search.emarefa.net/detail/BIM-1155287
Modern Language Association (MLA)
Li, Shunda…[et al.]. Genesis of the Bairendaba Ag-Zn-Pb Deposit, Southern Great Xing’an Range, NE China: A Fluid Inclusion and Stable Isotope Study. Geofluids No. 2017 (2017), pp.1-18.
https://search.emarefa.net/detail/BIM-1155287
American Medical Association (AMA)
Li, Shunda& Wang, Keyong& Wang, Yicun& Zhang, Xuebing& Quan, Hongyan. Genesis of the Bairendaba Ag-Zn-Pb Deposit, Southern Great Xing’an Range, NE China: A Fluid Inclusion and Stable Isotope Study. Geofluids. 2017. Vol. 2017, no. 2017, pp.1-18.
https://search.emarefa.net/detail/BIM-1155287
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1155287